Publications by authors named "Margit K Pelkonen"

Introduction: Our aim was to describe how the prevalence of subjects exposed to environmental tobacco smoke (ETS) has changed from 1992 to 2012 in Finland. We also investigated the association between ETS and chronic bronchitis and cause-specific and all-cause mortality.

Methods: The study population is composed of 38 494 subjects aged 25-74 years who participated in the National FINRISK Study between 1992 and 2012.

View Article and Find Full Text PDF

Introduction: The present study examines how trends in the prevalence of asthma during the past three decades associate with hospitalization and mortality during the same period.

Methods: Altogether 54 320 subjects aged 25-74 years were examined in seven independent cross-sectional population surveys repeated every five years between 1982 and 2012 in Finland. The study protocol included a standardized questionnaire on self-reported asthma, smoking habits and other risk factors, and clinical measurements at the study site.

View Article and Find Full Text PDF

Background: The study examines the predictive value of chronic bronchitis for all cause and cause-specific hospitalizations and for mortality during the last three decades.

Methods: The study population consists of altogether 47 896 men and women aged 25-74 years who participated in the National FINRISK Study between 1982 and 2007. The study protocol included a standardized questionnaire on the symptoms of chronic bronchitis, smoking habits and other risk factors and clinical measurements at the study site.

View Article and Find Full Text PDF

Introduction: The present study examines how the trends in the prevalence of chronic bronchitis during the last three decades associate with changes in smoking habits during the same period.

Methods: Altogether 47 896 subjects aged 25-74 years were examined in six independent cross-sectional population surveys repeated every five years between 1982 and 2007 in Finland. The presence of chronic bronchitis, smoking habits and other risk factors were measured by standard questionnaires.

View Article and Find Full Text PDF